Gv125s service manual
- This topic has 20 replies, 5 voices, and was last updated 2 years, 4 months ago by
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Evening all!
Do any of you lovely people have/ know of a source where i can find a service (not owners, but a service) manual for the hyosung gv125s (2021 euro5).
Im having many issues here, mostly electronical and i need statistics for continuity tests, the only place im going to find this is a service manual, well i hope atleast. Please please someone get back to me.
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Hi all.
Ive bought a used 2021 Hyosung gv125s. It has been neglected by the previous owner and i am trying to get it into shape. It has 12000 km. I did oil change, spark plugs, etc. I need to check the valve gaps, but no dealer/service in Poland has the values (or they dont want to tel) either way, a have 400km to nearest dealer and ther is no way im traveling that far 🙂 Can anyone can provide those values?
Thanks in advance.
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Hi all. Ive bought a used 2021 Hyosung gv125s. It has been neglected by the previous owner and i am trying to get it into shape. It has 12000 km. I did oil change, spark plugs, etc. I need to check the valve gaps, but no dealer/service in Poland has the values (or they dont want to tel) either way, a have 400km to nearest dealer and ther is no way im traveling that far 🙂 Can anyone can provide those values? Thanks in advance.
I have a service manual, do you have am email i can send it to you on?
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it is too large to send via email, will try upload it here after i am done with work
How’s it going? I could realy use the SM right now. Im stuck and dont want to do any guessing with this 😉
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it is too large to send via email, will try upload it here after i am done with work
Send him a PM so that he shares his email privately, i had to delete the email address on here to protect his privacy.
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INTAKE CLEARANCE = 0.08
EXHAUST CLEARANCE = 0.11
On ice cold engine.
I will make a special topic soon on the forum that has the service manuals in different languages as i am collecting them slowly and reading them for accuracy incase there is printing errors by who ever was writing the manuals for Hyosung lol
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Thanks Marcel. Is the regulation like on one cylinder carb ones? By a screw?
“Regulation?”
I didn’t understand this part sorry to ask again! -
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Sorry
I mean adjustment. 
Yes it is like adjusting tappets on a HONDA CG125 , so the principle is very similar when you open your covers and you also see the CG125 ,  and also look at Yamaha YZR125 engine 2008
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Hmm…3 valves/cyl…Â Liquid-cooled, 6-sped-box, EFI? what else differs from the GT-engine? Is there a similar 250?
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Hyosung still makes 75 deg engines for 250cc for Japan only now (so far)  aka GV250DR
All future 125cc vtwins are the same as the bobber 125 that has come out in 2019 , EFI and Liquid cooled.
300cc is the global replacement for 250cc , it is still 8 valves , but 125cc is 6 valves (strange) but i think they did it for cost cutting , ease of maintenance because 125cc is very popular in EU and UK , than the big sisters and I can see why have 1 central rocking arm (primitive tech) is easier than have 2 cam shafts with bearings on each cylinder like our old 125cc
I think our old 125cc was better but over-engineered!
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- You cannot reply to this topic.
- This topic has 20 replies, 5 voices, and was last updated 2 years, 4 months ago by .
-
Posts
-
-
Evening all!
Do any of you lovely people have/ know of a source where i can find a service (not owners, but a service) manual for the hyosung gv125s (2021 euro5).
Im having many issues here, mostly electronical and i need statistics for continuity tests, the only place im going to find this is a service manual, well i hope atleast. Please please someone get back to me.
-
-
Hi all.
Ive bought a used 2021 Hyosung gv125s. It has been neglected by the previous owner and i am trying to get it into shape. It has 12000 km. I did oil change, spark plugs, etc. I need to check the valve gaps, but no dealer/service in Poland has the values (or they dont want to tel) either way, a have 400km to nearest dealer and ther is no way im traveling that far 🙂 Can anyone can provide those values?
Thanks in advance.
-
Hi all. Ive bought a used 2021 Hyosung gv125s. It has been neglected by the previous owner and i am trying to get it into shape. It has 12000 km. I did oil change, spark plugs, etc. I need to check the valve gaps, but no dealer/service in Poland has the values (or they dont want to tel) either way, a have 400km to nearest dealer and ther is no way im traveling that far 🙂 Can anyone can provide those values? Thanks in advance.
I have a service manual, do you have am email i can send it to you on?
-
-
it is too large to send via email, will try upload it here after i am done with work
How’s it going? I could realy use the SM right now. Im stuck and dont want to do any guessing with this 😉
-
-
it is too large to send via email, will try upload it here after i am done with work
Send him a PM so that he shares his email privately, i had to delete the email address on here to protect his privacy.
-
INTAKE CLEARANCE = 0.08
EXHAUST CLEARANCE = 0.11
On ice cold engine.
I will make a special topic soon on the forum that has the service manuals in different languages as i am collecting them slowly and reading them for accuracy incase there is printing errors by who ever was writing the manuals for Hyosung lol
-
-
Thanks Marcel. Is the regulation like on one cylinder carb ones? By a screw?
“Regulation?”
I didn’t understand this part sorry to ask again! -
-
Sorry
I mean adjustment. Yes it is like adjusting tappets on a HONDA CG125 , so the principle is very similar when you open your covers and you also see the CG125 ,  and also look at Yamaha YZR125 engine 2008
-
-
-
-
Hmm…3 valves/cyl…Â Liquid-cooled, 6-sped-box, EFI? what else differs from the GT-engine? Is there a similar 250?
-
-
-
Hyosung still makes 75 deg engines for 250cc for Japan only now (so far)  aka GV250DR
All future 125cc vtwins are the same as the bobber 125 that has come out in 2019 , EFI and Liquid cooled.
300cc is the global replacement for 250cc , it is still 8 valves , but 125cc is 6 valves (strange) but i think they did it for cost cutting , ease of maintenance because 125cc is very popular in EU and UK , than the big sisters and I can see why have 1 central rocking arm (primitive tech) is easier than have 2 cam shafts with bearings on each cylinder like our old 125cc
I think our old 125cc was better but over-engineered!
-
-
-
- You cannot reply to this topic.